Answer:
When dissolved in water, acids donate hydrogen ions (H+). Hydrogen ions are hydrogen atoms that have lost an electron and now have just a proton, giving them a positive electrical charge. Bases, on the other hand, mixed with water yield hydroxide ions (OH-).
Answer:
Four seasons occur on Earth
Explanation:
When the Earth has completely one revolution around the Sun, then it has completed 1 year, and four seasons have occurred in the meantime.
